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"To attribute the efficacy of prayers or of sacramental signs to their mere external performance, apart from the interior dispositions they demand, is to fall into superstition." – Catechism of the Catholic Church
"A marveilous newtrality have these things mathematicall and also a strange participation between things supernaturall, imortall, intellectuall, simple and indivisible, and things naturall, mortall, sensible, compounded and divisible." – John Dee, 'The mathematicall praeface to the Elements of geometrie of Euclid of Megara' (1570!).
"Our sensitivity to changes of pitch ... is underused in musical sound. Western music, in particular, is based on scales that use pitch changes that are…
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